Unit A. Procurement Practices for the District Government. Subchapter I. General. §§ 2-301.01 – 2-301.07 Subchapter II. Procurement Organization. §§ 2-302.01 – 2-302.08 Subchapter III. Source Selection and Contract Formation. §§ 2-303.01 – 2-303.23 Subchapter IV. Specifications. §§ 2-304.01 – 2-304.02 Subchapter V. Bonds and Construction Procurement. §§ 2-305.01 – 2-305.08 Subchapter VI. Cost Principles. §§ 2-306.01 – 2-306.01 Subchapter VII. Supply Management. §§ 2-307.01 – 2-307.03 Subchapter VIII. Administrative and Civil Remedies. §§ 2-308.01 – 2-308.21 Subchapter IX. Contract Appeals Board. §§ 2-309.01 – 2-309.08 Subchapter X. Ethics in Public Contracting. §§ 2-310.01 – 2-310.01 Subchapter X-A. South Africa Contracting Sanctions. §§ 2-310.01a – 2-310.01f Subchapter XI. Miscellaneous. §§ 2-311.01 – 2-311.03 Subchapter XII. Electronic Commerce; Acquisition and Disposition. §§ 2-312.01 – 2-312.03